TY JOUR TI Morphological characteristics of Sarcocystis bertrami in equine skeletal muscles KW horses KW sarcocysts KW protozoa KW parasites KW skeletal muscles KW histology KW morphology KW microanatomy JO Vestnik of Omsk SAU AU Zubareva, E.A. AU Ruchko, E.N. PY 2026 IS 62 PB FSBEI HE Omsk SAU